need a softphone
you can use Linux and windows any
i want to login at a time 30sip account up to 500
if any incomming call system auto receive and play ivr
auto dial option
every 30min auto dial a number and after receive call will be hangup after 30secend
call hold and ivr options
if you can then please bid
Hello dear sir, i can setup and configure system as you describe, but only on Linux (asterisk based), because asterisk working on windows non-stable. Please contact me if you interested in. Thanks.